eCost.com has a Garmin c320 StreetPilot GPS Vehicle Navigator for $174.99 plus Shipping. Search for item “37643229“.
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- Audible and visual navigation instructions and warnings n
- Built-in lithium ion battery for trip planning; operates on DC power in your vehicle n
- WAAS-enabled, 12 parallel channel GPS unit for automotive use n
- Built-in antenna n
- Removable 128 MB SD memory card